HMS Mignonette was a Flower-class corvette that served with the Royal Navy during the Second World War.

[1] The ship was commissioned on 31 August 1939 by Hall, Russell & Company from Aberdeen in Scotland.

[2] On 7 February 1943, HMS Mignotte along with HMS Campanula rescued 37 survivors from the merchant ship Afrika, which had been torpedoed by the German submarine U-402.

On 15 July 1943 she contributed to the sinking of U-135 alongside HMS Rochester and Balsam.

On 21 January 1945 she helped sink U-1199 alongside the destroyer HMS Icarus.